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關注：1
2013-05-23 12:21
求翻譯：鹽巖隧道中防排水技術研究是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
鹽巖隧道中防排水技術研究
問題補充： |
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2013-05-23 12:21:38
Drainage tunnel in the rock salt, anti-technology research
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2013-05-23 12:23:18
Rock salt anti-drainage technology research
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2013-05-23 12:24:58
In the salty crag tunnel guards against the draining water engineering research
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2013-05-23 12:26:38
Salt rock in tunnel waterproof and drainage technology
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2013-05-23 12:28:18
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